| http://www.w3.org/ns/prov#value | - A crystal metal organosilicate having a composition, in its anhydrous state, in terms of mole ratios of oxides as follows: 0.9??? 0.2[xR2 O+ (1-x)M2/n O]:<0.005 Al2 O3 :> 1 SiO2 where M is sodium or sodium in combination with tin, calcium, nickel or zinc, R is a tetraalkylammonium and x is a number greater than 0 but not exceeding 1, said organosilicate having the X-ray diffraction lines set
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